d - 20 mm

Fw - 25 mm

D - 37 mm

B - 18 mm

C - 17 mm

r min. - 0,3 mm

da min. - 22 mm

da max - 24 mm

Da max. - 35 mm

Weight - 0,0395 Kg

Basic dynamic load rating (C) - 18 kN

Basic static load rating (C0) - 13,1 kN

Limiting speed - 7 500 r/min

• Model Number: NA 4903U
• Inner Diameter：20mm Outer Diameter：37mm Width：18mm
• Type：Needle Roller Bearings
• Update date：2025-04-22
• Application:horizontal processing,decoration machinery,small diesel generators,plastic molding,Spectrum Products,Other machinery,Automobile,Small air generators,bio-chemical,surgical instruments,office outdoor camping equipment
• Similar models:ISO NA4903 IKO RNA4903UU INA NA4903 CRAFT NA4903-2RS IKO NA4903 IKO NA4903U INA RNA4903-2RSR JNS NA4903 NBS RNA4903 Timken RNA4903
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903U products，there is large inventory of IKO NA 4903U . We has been built up long-term cooperation with IKO company, could make a bulk order of the NA 4903U Which IKO NA4903U is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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  466-S/453A	55,562	107,95	27,783	Timken	Tapered Roller Bearings
  54208	30	68	38,6	NKE	Thrust Ball Bearings
  6010/HR22Q2	80	50	16	SKF	Deep Groove Ball Bearings
  61814-2Z-Y	70	90	10	FAG	Deep Groove Ball Bearings
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  KGA065	165,1	215,9	25,4	KOYO	Angular Contact Ball Bearings
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  N1010RXHZTPKR	50	72,5	16	NSK	Cylindrical Roller Bearings
  NF1009	45	67,5	16	NSK	Cylindrical Roller Bearings
  NK105/26R+IR95X105X26	95,000	125,000	26,000	NTN	Needle Roller Bearings
  NN3184	420	700	220	CX	Cylindrical Roller Bearings
  QJ334-N2-MPA	170	360	72	NKE	Angular Contact Ball Bearings
  RAE35-NPP-FA106	35	72	39	INA	Deep Groove Ball Bearings
  X30308/Y30308	40	90	25,25	Timken	Tapered Roller Bearings
  SCE2–1/2–4TN	3,969	7,145	6,35	INA	Needle Roller Bearings
  R1F-21/2	.0469	.1562	.0937	NMB	DEEP GROOVE BALL BEARINGS
  NHJ25	25	80	21	RHP	SELF